CVE-2024-1546
High
Published: 20 February 2024
Published
20 February 2024
Modified
27 March 2025
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.0050
66.4th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2024-1546 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Mozilla Firefox. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 33.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-17293
Vulnerability details
When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 115.8.0 · ≤ 123.0
mozilla
thunderbird
≤ 115.8.0
debian
debian linux
10.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.